NONE · Piper PA 12 · 2020-06-08 · Anchorage, AK, USA
Event
NTSB number
ANC20LA059
Event ID
20200609X04342
Type
Accident
Date
2020-06-08
Location
Anchorage, AK, USA
Coordinates
61.186668, -149.96527
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
2
Total aboard
2
Aircraft
Make
Piper
Model
PA 12
Registration
N3188M
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The fatigue fracture of the American Iron and Steel Institute (AISI) 1025 carbon steel rudder post, which resulted in structural failure of the rudder. Contributing to the fatigue failure was the post’s susceptibility to fatigue cracking under normal service conditions.